>> consumer products don't disclose the basics of how they work to their customers
> Yes they do. User manuals just don't make for very good marketing.
user manuals tell you how to do something, not how it works. E.G. a motherboard user manual tells you how to enter BIOS Setup, not how secure boot works; where to set USB power output in system power states, not what the power states are and how they transition.
We need to go back to the 1960s/1970s, where Tektronix oscilloscopes and other such equipment came with user manuals that had detailed explanations of how the electronics worked.
As an example, check out the user manual (not the repair manual, though that's available on this site too) for the popular Tektronix 465, and scroll down to the "Circuit Description" section:
> Yes they do. User manuals just don't make for very good marketing.
user manuals tell you how to do something, not how it works. E.G. a motherboard user manual tells you how to enter BIOS Setup, not how secure boot works; where to set USB power output in system power states, not what the power states are and how they transition.
https://www.asus.com/us/supportonly/a320m-c/helpdesk_manual/